// Copyright (c) 2009-2011, Tor M. Aamodt,
// The University of British Columbia
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
// Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution. Neither the name of
// The University of British Columbia nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

#ifndef PTX_DEBUG_INCLUDED
#define PTX_DEBUG_INCLUDED

#include "abstract_hardware_model.h"

#include <string>

class brk_pt {
 public:
  brk_pt() { m_valid = false; }
  brk_pt(const char *fileline, unsigned uid) {
    m_valid = true;
    m_watch = false;
    m_fileline = std::string(fileline);
    m_thread_uid = uid;
  }
  brk_pt(unsigned addr, unsigned value) {
    m_valid = true;
    m_watch = true;
    m_addr = addr;
    m_value = value;
  }

  unsigned get_value() const { return m_value; }
  addr_t get_addr() const { return m_addr; }
  bool is_valid() const { return m_valid; }
  bool is_watchpoint() const { return m_watch; }
  bool is_equal(const std::string &fileline, unsigned uid) const {
    if (m_watch) return false;
    if ((m_thread_uid != (unsigned)-1) && (uid != m_thread_uid)) return false;
    return m_fileline == fileline;
  }
  std::string location() const {
    char buffer[1024];
    sprintf(buffer, "%s thread uid = %u", m_fileline.c_str(), m_thread_uid);
    return buffer;
  }

  unsigned set_value(unsigned val) { return m_value = val; }

 private:
  bool m_valid;
  bool m_watch;

  // break point
  std::string m_fileline;
  unsigned m_thread_uid;

  // watch point
  unsigned m_addr;
  unsigned m_value;
};

class ptx_thread_info;
class ptx_instruction;
bool thread_at_brkpt(ptx_thread_info *thd_info, const class brk_pt &b);

#endif
